20904 is the Postal Code/ZIP Code for the District of Coyolar in the Costa Rica Province of Alajuela and the Canton of Orotina. The neighborhoods of Bajos del Coyote, Cebadilla, Cerro Alto, Cerro Bajo, Corazón de Jesús, Corazón de María, Cámara, El Vivero, Huacas, Los Mangos, Mollejones, Nueva Santa Rita, Pozón, San Jerónimo and Santa Rita are located in Postal Code 20904.
| Postal Code | 20904 |
| Postal Code Name | Coyolar |
| Province | Alajuela Province |
| Canton | Orotina Canton |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 11603 20901 20902 20905 61103 |